A new Phaenolobus species from Turkey is described and Figured. This species is close to Phaenolobus areolator Constantineanu and Constantineanu (1968), and it is distinguished by its smaller body, head roundly narrowed behind, smaller number of flagellomeres, absence of ramulus on discocubital vein, longer subgenital plate and ovipositor sheath, black labrum and coloration Of the body. A key for Western Palaearctic Phaenolobus species is given. A check list for Turkish Acaenitinae is added.